none
var canvas = document.getElementById('example'),
dataUrl = canvas.toDataURL(),
imageFoo = document.createElement('img');
imageFoo.src = dataUrl;
// Style your image here
imageFoo.style.width = '100px';
imageFoo.style.height = '100px';
// After you are done styling it, append it to the BODY element
document.body.appendChild(imageFoo);